| /* |
| * CP_SYMBOL support |
| * |
| * Copyright 2000 Alexandre Julliard |
| * Copyright 2004 Rein Klazes |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA |
| */ |
| |
| #include "wine/unicode.h" |
| |
| /* return -1 on dst buffer overflow */ |
| int wine_cpsymbol_mbstowcs( const char *src, int srclen, WCHAR *dst, int dstlen) |
| { |
| int len, i; |
| |
| if (dstlen == 0) return srclen; |
| len = dstlen > srclen ? srclen : dstlen; |
| for (i = 0; i < len; i++) |
| { |
| unsigned char c = src[i]; |
| dst[i] = (c < 0x20) ? c : c + 0xf000; |
| } |
| if (srclen > len) return -1; |
| return len; |
| } |
| |
| /* return -1 on dst buffer overflow, -2 on invalid character */ |
| int wine_cpsymbol_wcstombs( const WCHAR *src, int srclen, char *dst, int dstlen) |
| { |
| int len, i; |
| |
| if (dstlen == 0) return srclen; |
| len = dstlen > srclen ? srclen : dstlen; |
| for (i = 0; i < len; i++) |
| { |
| if (src[i] < 0x20) |
| dst[i] = src[i]; |
| else if (src[i] >= 0xf020 && src[i] < 0xf100) |
| dst[i] = src[i] - 0xf000; |
| else |
| return -2; |
| } |
| if (srclen > len) return -1; |
| return len; |
| } |